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Finding the Third Proportional to 3,048.75 and 4,615.88

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Solution

The third proportional to 3,048.75 and 4,615.88 is: 6,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.75 : 4,615.88 = 4,615.88 : x
  2. Step 2: Convert to fraction form
    3,048.75/4,615.88 = 4,615.88/x
  3. Step 3: Cross multiply
    3,048.75x = 4,615.88 × 4,615.88
  4. Step 4: Simplify right side
    3,048.75x = 21,306,302.02
  5. Step 5: Solve for x
    x = 21,306,302.02/3,048.75
  6. Step 6: Final answer
    x = 6,988.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.